The Owner-built HomesteadScribner, 1977 - 394 หน้า |
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ผลการค้นหา 1 - 3 จาก 24
หน้า 93
... Rotation - plowed cornland , sloping rows Rotation - plowed cornland , contour rows No - tillage mulched cornland , contour rows Wheatland Meadowland 7 tons / acre 2 tons / acre Trace 1 ton / acre Trace Soil Loss under Severe Test ( 5 ...
... Rotation - plowed cornland , sloping rows Rotation - plowed cornland , contour rows No - tillage mulched cornland , contour rows Wheatland Meadowland 7 tons / acre 2 tons / acre Trace 1 ton / acre Trace Soil Loss under Severe Test ( 5 ...
หน้า 121
... rotation , where the land was grazed continuously for eight to ten years before intensive cropping , plant and animal relationships improved . The customary short - term rotation of one or two years of grazing followed by a crop of ...
... rotation , where the land was grazed continuously for eight to ten years before intensive cropping , plant and animal relationships improved . The customary short - term rotation of one or two years of grazing followed by a crop of ...
หน้า 159
... Rotation would alleviate this loss . The Chinese found early in the development of their agriculture that crop rotation checks disease and inhibits insect pests . As mentioned before , the fungi that feed on one particular host may ...
... Rotation would alleviate this loss . The Chinese found early in the development of their agriculture that crop rotation checks disease and inhibits insect pests . As mentioned before , the fungi that feed on one particular host may ...
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acid acre agricultural alfalfa algae amino acids animal areas bacteria barn beans bluegill building carbohydrates carbon dioxide cattle chlorophyll climate composting concrete cool corn cover crop rotation cultivation diet digester drainage drill earth environment equipment farmers farming feed feet fence fertilizer Figure fish forage Forester fruit garden goats grafting grain grass grazing greenhouse ground growing growth harvested heat homestead humus inches increase land layer legume livestock living located manure material mature ment method milk minerals moisture mulch nitrogen nutrients nutrition orchard organic matter oxygen pasture percent pipe plant plow polyculture pond posts pounds practice produce protein pump reduced requires Rodale Press roots rotation row crops season seed sheet composting silage silo slope sod crops soil soybeans storage structure subsoil supply surface temperature tillage tion tractor tree crops ture vegetables vitamin weeds wind winter wire wood